Select the least number from among the following. 

(a) 0.8 
(b) $$0.\bar8$$
(c) 1 $$\div 0.8$$
(d) $$\frac{2}{5} ×0.8$$​

Correct option is A

Solution:

Now comparing the numbers:

(a) 0.8

(b) $$0.\overline{8} \approx 0.888\ldots$$​

(c) 1$$\div 0.8 = 1.25$$​

(d)$$\frac{2}{5} \times 0.8 = 0.32$$​

The least number is 0.32, which is option (d).